2780000578 has 16 divisors (see below), whose sum is σ = 4333420800. Its totient is φ = 1336129200.

The previous prime is 2780000569. The next prime is 2780000579. The reversal of 2780000578 is 8750000872.

It is not an unprimeable number, because it can be changed into a prime (2780000579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141228 + ... + 159703.

It is an arithmetic number, because the mean of its divisors is an integer number (270838800).

Almost surely, 2^2780000578 is an apocalyptic number.

2780000578 is a deficient number, since it is larger than the sum of its proper divisors (1553420222).

2780000578 is a wasteful number, since it uses less digits than its factorization.

2780000578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301113.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2780000578 is about 52725.7107870534. The cubic root of 2780000578 is about 1406.0959653295.

The spelling of 2780000578 in words is "two billion, seven hundred eighty million, five hundred seventy-eight", and thus it is an aban number.